'Proterozoic eon' diaporamas de présentation

Chapter 22

Chapter 22. The Origin and History of Life Early Evolution. The universe began with the Big Bang about 13.7 bya (billion years ago) Our solar system began about 4.6 bya The Earth is 4.55 billion years old By 4 bya the Earth had cooled enough for outer layers to solidify and oceans to form

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For the exam, you must know all of the information listed on the slides

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Fossils

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Tectonic Petrameter

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From the beginning of the Earth to today

Timeline Project 2009. From the beginning of the Earth to today. By: Riccardo PATUANO. ASM - November 2009. Timeline Project 2009: from the beginning of the Earth to today. Earth Formation. TODAY. 3,1 BYA. 2,1 BYA. 1,1 BYA. 1 00 MYA. 4,1 BYA. 3,6 BYA. 2,6 BYA. 1,6 BYA. 600 MYA.

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EVOLUTION OF PHOTOSYNTHESIS & AEROBIC RESPIRATION

EVOLUTION OF PHOTOSYNTHESIS & AEROBIC RESPIRATION. by C. Grier Sellers Doctoral Candidate in Biology NSF GK12 Fellow Temple University. History of the Earth: Four Eons:. Hadean Eon: 4500 - 3800 millions of years ago (mya) Archean Eon: 3800 - 2500 mya Proterozoic Eon: 2500 - 542 mya

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Chapter 22

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Chapter 21

Chapter 21. Fossils and the Fossil Record. As you travel down the a canyon, you travel back in time. Each layer of rock records climate at the time that the rock was laid down. S 21.1 The Geologic Time Scale. The Grand Canyon is made of a number of layers.

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